day on the job RockMelt front-end engineer Devon Rifkin is just months out of college. But already he's making a big impact on a hot new browser that directly integrates some of the main Facebook and Twitter features.

We know that the browser market has room for at least five strong, healthy competitors. Social browser RockMelt is trying to prove that a sixth contender can do well, too. And its close ties to Facebook could help.

This week on the CNET Tech Review: browse your social life with RockMelt; twice the touching with the Samsung Continuum; BestTube saves YouTube favorites for later; and our Top 5 reasons why the iPhone's inferior to Android.